AirHint found the following cheapest return flights from Ljubljana (LJU) to Belgrade (BEG) in July 2025 (see full year).

Return flights

16 Jul - 20 Jul	Air Serbia	direct
22 Jul - 23 Jul	Air Serbia	direct
28 Jul - 29 Jul	Air Serbia	direct
21 Jul - 22 Jul	Air Serbia	direct
18 Jul - 19 Jul	Lufthansa
11 Jul - 05 Aug	Air Serbia	direct
12 Jul - 13 Jul	Air Serbia	direct
25 Jul - 28 Jul	Air Serbia	direct
20 Jul - 27 Jul	Air Serbia	direct
09 Jul - 13 Jul	Air Serbia	direct
17 Jul - 21 Jul	Air Serbia	direct
31 Jul - 03 Aug	Air Serbia	direct
31 Jul - 02 Aug	Air Serbia	direct

Also check the deals for one-way flights from Ljubljana to Belgrade in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Ljubljana to Belgrade in July from $211

Return flights